netdev - Re: [PATCH v2 iproute2] tc: fix bpf compilation with old glibc

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Message-ID: <20150723215026.GB31886@Alexeis-MacBook-Pro.local>
Date:	Thu, 23 Jul 2015 14:50:27 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:	shemminger@...tta.com, netdev@...r.kernel.org,
	Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH v2 iproute2] tc: fix bpf compilation with old glibc

On Thu, Jul 23, 2015 at 09:17:41AM +0200, Nicolas Dichtel wrote:
> Error was:
> f_bpf.o: In function `bpf_parse_opt':
> f_bpf.c:(.text+0x88f): undefined reference to `secure_getenv'
> m_bpf.o: In function `parse_bpf':
> m_bpf.c:(.text+0x587): undefined reference to `secure_getenv'
> collect2: error: ld returned 1 exit status
> 
> There is no special reason to use the secure version of getenv, thus let's
> simply use getenv().
> 
> CC: Daniel Borkmann <daniel@...earbox.net>
> Fixes: 88eea5395483 ("tc: {f,m}_bpf: allow to retrieve uds path from env")
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> ---
> 
> v2: rework the fix to use getenv() instead of secure_getenv()

had the same workaround locally.
Acked-by: Alexei Starovoitov <ast@...mgrid.com>

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